Nslookup PowerShell Download Cradle - ProcessCreation
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About the rule
Rule Type
Standard
Rule Description
Detects suspicious powershell download cradle using nslookup. This cradle uses nslookup to extract payloads from DNS records
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PROCESSNAME contains "\nslookup.exe" OR ORIGINALFILENAME = "\nslookup.exe") AND (PARENTPROCESSNAME endswith "\powershell.exe,\pwsh.exe" AND COMMANDLINE contains " -q=txt , -querytype=txt ") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Nasreddine Bencherchali (Nextron Systems)
